.teacher-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:24px;padding:12px;backdrop-filter:blur(6px);transition:all .3s ease}.teacher-card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.35);box-shadow:0 15px 35px rgba(0,0,0,.15)}.teacher-card iframe{border-radius:18px;display:block}